High 1026 hPa centered off Breton Cape moving at 47 knots to the East to be centered on Switzerland.
For Plage de Montebourg :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloudy spells, sometimes dense. Chance of light rain. In the evening, good clear periods but lots of cloud, too.
No precipitation. W wind force 3 from the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth sea. Low, short swell from WSW. Excellent visibility becoming reduced by mist in the evening.